import java.util.concurrent.Semaphore;

public class demo53 {
    private static int count=0;
    public static void main(String[] args) throws InterruptedException {
        Semaphore semaphore=new Semaphore(1);
            Thread t1=new Thread(()->{
                for(int i=0;i<50000;i++){
                    try {
                        semaphore.acquire();
                        count++;
                        semaphore.release();
                    } catch (InterruptedException e) {
                        throw new RuntimeException(e);
                    }

                }
            });
        Thread t2=new Thread(()->{
            for(int i=0;i<50000;i++){
                try {
                    semaphore.acquire();
                    count++;
                    semaphore.release();
                } catch (InterruptedException e) {
                    throw new RuntimeException(e);
                }
            }
        });
        t1.start();
        t2.start();
        t1.join();
        t2.join();
        System.out.println("Final count="+count);

    }
}
